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NCP161
(Rev.:2015)

450 mA, Ultra-Low Noise and High PSRR LDO Regulator for RF and Analog Circuits

ON Semiconductor 

NCP161

TYPICAL CHARACTERISTICS

3.3 V

4.8 V

VIN

VIN

2.3 V

3.8 V

VOUT

VOUT = 1.8 V, IOUT = 10 mA

CIN = 1 mF (MLCC)

COUT = 1 mF (MLCC)

20 ms/div

Figure 37. Line Transient Response −

VOUT = 1.8 V

5.5 V

VIN

5.3 V

VOUT

VOUT = 5.14 V, IOUT = 10 mA

CIN = 1 mF (MLCC)

COUT = 1 mF (MLCC)

20 ms/div

Figure 39. Line Transient Response −

VOUT = 5.14 V

IOUT

tRISE = 1 ms

VOUT

VIN = 2.8 V, VOUT = 1.8 V

CIN = 1 mF (MLCC)

COUT = 1 mF (MLCC)

4 ms/div

Figure 41. Load Transient Response −

1 mA to 450 mA − VOUT = 1.8 V

VOUT

VOUT = 3.3 V, IOUT = 10 mA

CIN = 1 mF (MLCC)

COUT = 1 mF (MLCC)

20 ms/div

Figure 38. Line Transient Response −

VOUT = 3.3 V

VIN

VOUT

VOUT = 2.8 V, CIN = 1 mF (MLCC)

IOUT = 10 mA, COUT = 1 mF (MLCC)

4 ms/div

Figure 40. Turn−on/off − Slow Rising VIN

IOUT

tFALL = 1 ms

VOUT

VIN = 2.8 V, VOUT = 1.8 V

CIN = 1 mF (MLCC)

COUT = 1 mF (MLCC)

20 ms/div

Figure 42. Load Transient Response −

450 mA to 1 mA − VOUT = 1.8 V

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